diff --git a/completion/available/pip.completion.bash b/completion/available/pip.completion.bash
index 7ed8c17e..a20df4cd 100644
--- a/completion/available/pip.completion.bash
+++ b/completion/available/pip.completion.bash
@@ -7,5 +7,13 @@
 # you should first initialize the corresponding environment.
 # So that pip is in the system's path.
 if _command_exists pip; then
-	eval "$(pip completion --bash)"
+	function __bash_it_complete_pip() {
+		if _command_exists _pip_completion; then
+			_pip_completion "$@"
+		else
+			eval "$(pip completion --bash)"
+			_pip_completion "$@"
+		fi
+	}
+	complete -o default -F __bash_it_complete_pip pip
 fi
diff --git a/completion/available/pip3.completion.bash b/completion/available/pip3.completion.bash
index c2b58564..d69460a5 100644
--- a/completion/available/pip3.completion.bash
+++ b/completion/available/pip3.completion.bash
@@ -7,5 +7,13 @@
 # you should first initialize the corresponding environment.
 # So that pip3 is in the system's path.
 if _command_exists pip3; then
-	eval "$(pip3 completion --bash)"
+	function __bash_it_complete_pip3() {
+		if _command_exists _pip_completion; then
+			_pip_completion "$@"
+		else
+			eval "$(pip3 completion --bash)"
+			_pip_completion "$@"
+		fi
+	}
+	complete -o default -F __bash_it_complete_pip3 pip3
 fi